<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tool
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Version.php 18951 2009-11-12 16:26:19Z alexander $
 */

require_once 'Zend/Tool/Framework/Registry.php';
require_once 'Zend/Tool/Framework/Provider/Interface.php';
require_once 'Zend/Version.php';

/**
 * Version Provider
 *
 * @category   Zend
 * @package    Zend_Tool
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Tool_Framework_System_Provider_Version
implements Zend_Tool_Framework_Provider_Interface, Zend_Tool_Framework_Registry_EnabledInterface
{

	/**
	 * @var Zend_Tool_Framework_Registry_Interface
	 */
	protected $_registry = null;

	const MODE_MAJOR = 'major';
	const MODE_MINOR = 'minor';
	const MODE_MINI  = 'mini';

	protected $_specialties = array('MajorPart', 'MinorPart', 'MiniPart');

	public function setRegistry(Zend_Tool_Framework_Registry_Interface $registry)
	{
		$this->_registry = $registry;
		return $this;
	}

	/**
	 * Show Action
	 *
	 * @param string $mode The mode switch can be one of: major, minor, or mini (default)
	 * @param bool $nameincluded
	 */
	public function show($mode = self::MODE_MINI, $nameIncluded = true)
	{

		$versionInfo = $this->_splitVersion();

		switch($mode) {
			case self::MODE_MINOR:
				unset($versionInfo['mini']);
				break;
			case self::MODE_MAJOR:
				unset($versionInfo['mini'], $versionInfo['minor']);
				break;
		}

		$output = implode('.', $versionInfo);

		if ($nameIncluded) {
			$output = 'Zend Framework Version: ' . $output;
		}

		$this->_registry->response->appendContent($output);
	}

	public function showMajorPart($nameIncluded = true)
	{
		$versionNumbers = $this->_splitVersion();
		$output = (($nameIncluded == true) ? 'ZF Major Version: ' : null) . $versionNumbers['major'];
		$this->_registry->response->appendContent($output);
	}

	public function showMinorPart($nameIncluded = true)
	{
		$versionNumbers = $this->_splitVersion();
		$output = (($nameIncluded == true) ? 'ZF Minor Version: ' : null) . $versionNumbers['minor'];
		$this->_registry->response->appendContent($output);
	}

	public function showMiniPart($nameIncluded = true)
	{
		$versionNumbers = $this->_splitVersion();
		$output = (($nameIncluded == true) ? 'ZF Mini Version: ' : null)  . $versionNumbers['mini'];
		$this->_registry->response->appendContent($output);
	}

	protected function _splitVersion()
	{
		list($major, $minor, $mini) = explode('.', Zend_Version::VERSION);
		return array('major' => $major, 'minor' => $minor, 'mini' => $mini);
	}

}
